unkin-agent
9da206dc7c
PVCs and CloudNativePG Clusters need S3 buckets and backup schedules
provisioned consistently. This operator watches the
backups.unkin.net/{schedule,destination} annotations on those objects and
provisions everything needed to back them up, with no new CRDs.
- Add a PVC controller that provisions cephrgw ObjectStoreUser/Bucket/BucketAccess,
auto-generates a restic repo-password Secret and creates a k8up Schedule scoped
to the PVC via spec.backup.volumes[].persistentVolumeClaim.claimName.
- Add a CNPG Cluster controller that provisions the same bucket stack, idempotently
patches spec.backup.barmanObjectStore (leaving a user-set destinationPath alone
with a Warning event) and creates a ScheduledBackup.
- Resolve destinations through a ConfigMap lookup table; requeue until the
BucketAccess is Ready before creating schedule resources; own-reference created
resources and retain bucket data by default.
- Add schedule-mapping helpers (k8up 5-field/shortcut pass-through, CNPG 6-field
seconds-first) and deterministic, length-bounded name derivation.
- Add unit tests (schedule mapping, name derivation, destination resolution) and
envtest controller tests for both paths, wiring the external CRDs into envtest.
- Add kubebuilder-generated RBAC, a Dockerfile (distroless/nonroot), Woodpecker
lint/test/build pipelines and a tag-triggered image push to the artifactapi
docker-internal registry, plus a version-bump Makefile and deploy manifests.
50 lines
1.9 KiB
Go
50 lines
1.9 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// Package client contains functionality for interacting with Kubernetes API
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// servers.
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//
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// # Clients
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//
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// Clients are split into two interfaces -- Readers and Writers. Readers
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// get and list, while writers create, update, and delete.
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//
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// The New function can be used to create a new client that talks directly
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// to the API server.
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//
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// It is a common pattern in Kubernetes to read from a cache and write to the API
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// server. This pattern is covered by the creating the Client with a Cache.
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//
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// # Options
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//
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// Many client operations in Kubernetes support options. These options are
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// represented as variadic arguments at the end of a given method call.
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// For instance, to use a label selector on list, you can call
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//
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// err := someReader.List(context.Background(), &podList, client.MatchingLabels{"somelabel": "someval"})
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//
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// # Indexing
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//
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// Indexes may be added to caches using a FieldIndexer. This allows you to easily
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// and efficiently look up objects with certain properties. You can then make
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// use of the index by specifying a field selector on calls to List on the Reader
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// corresponding to the given Cache.
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//
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// For instance, a Secret controller might have an index on the
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// `.spec.volumes.secret.secretName` field in Pod objects, so that it could
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// easily look up all pods that reference a given secret.
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package client
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